primary hypothyroidism


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Related to primary hypothyroidism: tertiary hypothyroidism

hypothyroidism

 [hi″po-thi´roi-dizm]
deficiency of thyroid gland activity, with underproduction of thyroxine, or the condition resulting from it. In its severe form it is called myxedema and is characterized by physical and mental sluggishness, obesity, loss of hair, enlargement of the tongue, and thickening of the skin. In children the condition is known as cretinism. Called also athyria. adj., adj hypothy´roid.
pituitary hypothyroidism secondary hypothyroidism caused by a defect or lesion of the pituitary gland that interferes with production of thyrotropin; the majority of cases are caused by tumors.
primary hypothyroidism hypothyroidism due to disease of the thyroid gland itself, usually accompanied by increased levels of thyrotropin.
secondary hypothyroidism that caused by thyrotropin deficiency.

primary hypothyroidism

Hypothyroidism due to failure of the thyroid gland to produce metabolically adequate amounts of thyroid hormones. It is the most common form of hypothyroidism.
See also: hypothyroidism
References in periodicals archive ?
Gilsanz, "Presence of brown adipose tissue in an adolescent with severe primary hypothyroidism," The Journal of Clinical Endocrinology & Metabolism, vol.
Our patient had a primary hypothyroidism treated with levothyroxine for 15 years.
Approximately 30 percent of dogs with primary hypothyroidism have a TSH concentration within the normal range--known as the reference range-and can't be distinguished from dogs with a non-thyroidal illness (NTI).
He was diagnosed to have primary hypothyroidism 3 months back during evaluation and treatment for glaucoma.
As weight gain is commonly reported to be associated with primary hypothyroidism, patients would be expected to lose weight following treatment with L-T4.
Dietary deficiency of iodine is the major cause of primary hypothyroidism in some underdeveloped regions of the globe.
Babies who are found to have primary hypothyroidism were evaluated clinically and L-T4 treatment was initiated.
(11) reported a high prevalence of primary hypothyroidism in [beta]-thalassemia patients with the predominance of its mildest form.
Virus C genotype predisposes to primary hypothyroidism during interferon-alpha treatment for chronic hepatitis C.
Based on the thyroid profile results, 49 dogs were diagnosed for primary hypothyroidism out of total 118 dogs that were showing the signs suggestive of the disorder.
Association between primary hypothyroidism and metabolic syndrome and the role of C reactive protein: a cross sectional study form South India.
Lipid profile in primary hypothyroidism, at Chandka Medical College, Larkana.

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